Snow accumulated in the Las Vegas Valley for the first time in more than a decade, with snow falling mostly in the western, northwestern and southern areas. (Bizuayehu Tesfaye/Las Vegas Review Journal) @bizutesfaye

Snow and ice contributed to the closure of Interstate 15 near Primm. Jim Prather/Las Vegas Review-Journal

I-15 traffic diverted at St. Rose Parkway

The Nevada Highway Patrol has closed Interstate 15 in both directions between south Las Vegas and the California state line due to icy road conditions, Monday, Feb. 18, 2019. (Jim Prather/Las Vegas Review-Journal)

Ice on roadway shuts down I-15 south of Las Vegas

An overnight snowstorm left an icy roadway, causing the Nevada Highway Patrol to shut down Interstate 15 south of Las Vegas to the California state line. (Jim Prather/Las Vegas Review-Journal)

I-15 closed at St. Rose Parkway

Ice on Interstate 15 caused the Nevada Highway Patrol to close the highway from St. Rose Parkway in south Las Vegas to the California state line on Monday, Feb. 18, 2019. (Jim Prather/Las Vegas Review-Journal)